SOLUTION: If the sample mean is 10, the hypothesized population mean is 9, and the population standard deviation is 4, compute the test value needed for the z test. A) 0.25 B) 1.

Algebra ->  Probability-and-statistics -> SOLUTION: If the sample mean is 10, the hypothesized population mean is 9, and the population standard deviation is 4, compute the test value needed for the z test. A) 0.25 B) 1.      Log On


   

Question 455855: If the sample mean is 10, the hypothesized population mean is 9, and the population standard deviation is 4, compute the test value needed for the z test.
A) 0.25
B) 1.00
C) –1.00
D) –0.25
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
If the sample mean is 10, the hypothesized population mean is 9, and the population standard deviation is 4, compute the test value needed for the z test.
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z(10) = (10-9)/4 = 1/4 = 0.25
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Cheers,
Stan H.
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A) 0.25
B) 1.00
C) –1.00
D) –0.25